RT Journal Article SR Electronic T1 Pyritic shale heave in the Lower Lias at Barry, Glamorgan JF Quarterly Journal of Engineering Geology and Hydrogeology JO Quarterly Journal of Engineering Geology and Hydrogeology FD Geological Society of London SP 251 OP 253 DO 10.1144/GSL.QJEG.1987.020.03.07 VO 20 IS 3 A1 Wilson, E. J. YR 1987 UL http://qjegh.lyellcollection.org/content/20/3/251.abstract AB This brief technical note describes a case history of pyritic shale heave discovered in an old underfloor fill of quarry waste composed of Lower Lias shales, at Barry, Glamorgan.